Finding the Third Proportional to 386,995.69 and 569,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   386,995.69 : 569,118.38 = 569,118.38 : x
2. Step 2: Convert to fraction form
   386,995.69/569,118.38 = 569,118.38/x
3. Step 3: Cross multiply
   386,995.69x = 569,118.38 × 569,118.38
4. Step 4: Simplify right side
   386,995.69x = 323,895,724,762.64
5. Step 5: Solve for x
   x = 323,895,724,762.64/386,995.69
6. Step 6: Final answer
   x = 836,949.18